According to Google, Jinan, China-based hackers accessed hundreds of users, including U.S. government officials, military personnel, journalists, Chinese political activists and officials of several Asian countries, most of them in South Korea.

According to NetMarketShare, a Web tracking and analytics service provided by Net Applications, Microsoft's latest version of Internet Explorer finished off May with 12.0 percent of the worldwide browser market.

Controversy over the control of IPv4 numbers was somewhat diffused this month after Microsoft entered into a legacy agreement with the American Registry for Internet Numbers (ARIN) over IPv4 numbers purchased from Nortel.

According to an Oak Ridge National Laboratory spokeswoman, a "very sophisticated" piece of malware apparently designed to steal technical information from the Energy Department lab's network caused laboratory officials to shut down its e-mail and Internet access last week.